Unlock her three events and then sleep in your bed until the game tells you something.
how do i unlock her event tho
Advance in the story, complete quests, go to the stones.
i already max on quest
I've already maxed in the quests and done the 2 massage events with keiko and everytime I go to her world at any time there' nobody there
Third event: Go in the afternoon, morning and evening, in that order.
Fourth event: Repair the wall, go to sleep.
If you still don't get the event hint, you will have to send your save to check it.